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49 lines
1.0 KiB
Rust
49 lines
1.0 KiB
Rust
// run-pass
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// Test that codegen works correctly when there are multiple refutable
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// patterns in match expression.
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enum Foo {
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FooUint(usize),
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FooNullary,
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}
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fn main() {
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let r = match (Foo::FooNullary, 'a') {
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(Foo::FooUint(..), 'a'..='z') => 1,
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(Foo::FooNullary, 'x') => 2,
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_ => 0
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};
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assert_eq!(r, 0);
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let r = match (Foo::FooUint(0), 'a') {
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(Foo::FooUint(1), 'a'..='z') => 1,
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(Foo::FooUint(..), 'x') => 2,
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(Foo::FooNullary, 'a') => 3,
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_ => 0
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};
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assert_eq!(r, 0);
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let r = match ('a', Foo::FooUint(0)) {
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('a'..='z', Foo::FooUint(1)) => 1,
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('x', Foo::FooUint(..)) => 2,
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('a', Foo::FooNullary) => 3,
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_ => 0
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};
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assert_eq!(r, 0);
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let r = match ('a', 'a') {
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('a'..='z', 'b') => 1,
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('x', 'a'..='z') => 2,
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_ => 0
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};
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assert_eq!(r, 0);
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let r = match ('a', 'a') {
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('a'..='z', 'b') => 1,
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('x', 'a'..='z') => 2,
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('a', 'a') => 3,
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_ => 0
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};
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assert_eq!(r, 3);
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}
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